Preamble
It bugged me that I couldn't get a dot crosshair with an outline so I made one. I made this many years ago so I don't remember how to make it anymore. It took a lot of trial and error editing the font file and seeing how it looks in FF. It would be nice if we could get more crosshair configurations (more sizes, size granularity, and a vertical line crosshair).

Install instructionsAssumptions: FF folder is common\Fortress Forever\Fortress Forever\
Open and extract the archive into the FF folder. You may want to keep a backup of your crosshairs.vdf file (in the FF folder) in case you want to switch back.

Revert InstructionsAssumptions: FF folder is common\Fortress Forever\Fortress Forever\
If you want to revert back, delete crosshairs.vdf from the FF folder and also delete \resource\Crosshairs.ttf. Rename \resource\Crosshairs-default.ttf to Crosshairs.ttf. If you kept a copy of your old crosshairs.vdf, you can copy that back.
The old crosshairs font (\resource\Crosshairs-default.ttf) is distributed in case you want to switch back.